979202143 has 4 divisors (see below), whose sum is σ = 983593408. Its totient is φ = 974810880.

The previous prime is 979202129. The next prime is 979202167. The reversal of 979202143 is 341202979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 979202143 - 2⁵ = 979202111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979202113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195298 + ... + 2195743.

It is an arithmetic number, because the mean of its divisors is an integer number (245898352).

Almost surely, 2^979202143 is an apocalyptic number.

979202143 is a deficient number, since it is larger than the sum of its proper divisors (4391265).

979202143 is a wasteful number, since it uses less digits than its factorization.

979202143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391264.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 979202143 is about 31292.2057867450. The cubic root of 979202143 is about 993.0187566581.

The spelling of 979202143 in words is "nine hundred seventy-nine million, two hundred two thousand, one hundred forty-three".